Workers in the various branches of the investigators industrial society can be considered as a group susceptible to risks due to the nature of its activities related to the intense demands of their work units with varying degrees of physical overload. Among the risk factors involved in postural genesis of occupational low back pain is work in uncomfortable positions, such as maintenance of static postures for long periods of time and frequent implementation of flexion, extension and trunk rotation.The association between body instability (lack of postural balance) and back pain is seen with some frequency, especially in working groups.